Re: [Boost-users] Boost has a function to const-qualify?

14 Jan 2006

      Sebastian Redl wrote:
...
MB wrote:
...
Hi,
Does boost has anything like :
template< class T > inline
const T& const_(const T& x)
{
  return x;
}
I guess that boost::cref is different...
What exactly is the use of this? Did you perhaps mean to make the 
parameter non-const? If so, why would you need a function for something 
that's an implicit cast anyway?
Hi,

A short story is:

   struct X { };
   void f(X& x);
   void f(const X& x);

   void test()
   {
     X x; {
       // initialize x.
     }

     f(const_(x));
   }

Here is the long story:
   http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2004/n1674.pdf

Regards,
MB
p-stade.sourceforge.net